*{
	padding: 0;
	margin: 0;
	
}
body{
	width: 100%;
	height: 100%;
}
.head{
	width: 100%;
	height: 400px;
	background-image: url(../img/256504852972306456.jpg);
	
	background-size: 100% 300px;
	background-repeat: no-repeat;
	border-top:1px solid gainsboro ;
	border-bottom:1px solid gainsboro ;
	
	

	
}
.head .font{
	color: white;
	text-align: center;
	width: 520px;
	height: 180px;
	background-color: rgba(0,0,0,0.5);
	padding: 50px;
	margin: 0 auto;
	margin-top:80px;
	
	
	
	
}
h1 {
	margin-top:40px ;
	font-family: "微软雅黑";
	font-size: 35px;
	color: deepskyblue;
	
}

h2 {
	
	font-family: "微软雅黑";
	margin-top:80px ;
	font-size: 16px;
	font-weight: 500;
	color: white;
}
span{
	font-family: "微软雅黑";
	
	font-size: 25px;
	font-weight: 600;
	color: chartreuse;
}
.main{
	background-color: #f0f0f0;
}
table{
	font-weight: 400;
	border-collapse: collapse;
	margin: 0 auto ;
}
.main  tr>td{
	width: 180px;
	height: 180px;
	border: 2px solid #ddd;
	
	color: black;
	font-size: 20px;
	text-align: center;
	
}
.main a{
	text-decoration: none;
	color: black;
}
.main a:hover{
	
	color:#ef5e86;
}
/*在线考试部分*/
.beijing-ks{
	
	background-image: url(../img/263474519741825042.jpg)  ;
	background-size: 100% 550px;
	background-repeat:no-repeat ;
}
	
.ks{
	text-align: center;
	background-color: rgba(0,0,0,0.5);
	height: 430px;
	border-bottom: 1px solid gainsboro;
	border-top: 1px solid gainsboro;
	
	margin: 50px 0px;
	width: 100%;
	
	
	
}
h3{
	color: #00BFFF;
	font-size: 30px;
	font-weight: 700;
	text-align: center;
	margin: 20px 30px;
	

}
.ks p{
	text-align: left;
	color: white;
	font-size: 20px;
	font-weight: 500;
	margin: 0px 70px 15px 32px;
}

/*清除浮动*/
.clearfix::after {
    content: "";
    display: block;
    clear: both;
}
.ks .nav{
	
	width: 100%;
	height: 50px;
	
}

.ks ul>li{
	
	width: 100px;
	height: 20px;
	float: left;
	padding: 10px;
	list-style: none;
	margin: 0 23px;
	
	text-align: center;
	
}

.ks ul>li:hover{
	color: blue;
	background-color: darkseagreen;
}
.ks .nav a{
	list-style: none;
	color: white;
	text-decoration: none;
	font-size: 20px;
	margin:0px -10px;
}


.ks ul>li .a1{
	font-size: 15px;
	width: 120px;
	height: 250px;
	margin-left: -11px;
	margin-top: 20px;

}	
		
.ks .a1 ul>li{
	list-style: none;
	color: white;
	border: none;
	text-align: center;
	margin: 0;
	padding: 10px;
	
}
/*试卷管理部分*/
.beijing-sj{
	
	background-image: url(../img/79053571794111305.jpg);
	background-size: 100% 600px;
	background-repeat: no-repeat;
}
.sj{
	background-color: rgba(0,0,0,0.5);
	height: 600px;
	border-bottom: 1px solid white;
	border-top: 1px solid white;
	margin: 50px 0px;
	width: 100%;
	                                                                 
}
.sj p{
	color: white;
	font-size: 20px;
	font-weight: 500;
	margin: 30px 70px 15px 70px;
	display: inline-block;
	
}
.sj  b{
	color: white;
	font-size: 16px;
	font-weight: 500;
	margin: 40px 70px 10px 70px;
	
}
.sj .gl{
	width: 400px;
	height: 250px;
	background-color: rgba(0,0,0,0.7);
	margin: 0 auto;
	margin-bottom: 30px;
	
}
.sj .gl input{
	list-style: none;
	width: 220px;
	height: 35px;
	border: 1px solid white;
	margin: 30px 90px  20px 90px;
	background-color: gainsboro;
}

.sj .gl button{
	list-style: none;
	width: 70px;
	height: 35px;
	background-color: #008B8B;
	font-size: 18px;
	border: none;
	margin: 10px 160px;
}
.sj .gl button:hover{
	border: 1px solid white;
	color: white;
}

/*书籍资料*/

.shuji{
	width: 100%;
	height: 750px;
	background-color: whitesmoke;
	border: 1px solid gainsboro;
	
	
	
}
.shuji p{
	color: black;
	font-size: 18px;
	font-weight: 500;
	margin: 0px 70px 15px 70px;
	
}
.shuji h4{
	color:black;
	font-size: 25px;
	font-weight: 500;
	margin: 10px 50px;
	font-family: 微软雅黑;
}

.shuji tr>td{
	width: 180px;
	height: 180px;
	
}
.shuji .shipin{
	
	text-align: center;
	
}
.shuji  .shipin a{
	text-decoration: none;
	line-height: 10px;
	color: lightcoral;
	display: inline;
	font-family: "微软雅黑";
	font-size: 25px;
	margin: 10px 20px;
}
.shuji  .shipin a:hover{
	color: darkseagreen;
}
.moni{
	width: 100%;
	height: 150px;
	background-color: gainsboro;
}
i{
	margin: 0px 60px;
}
